Overview
The TP4056 Micro USB Charging Module is a complete constant-current/constant-voltage linear charger for single-cell lithium-ion batteries. This specific version is upgraded with a DW01A Battery Protection IC and an 8205A Dual MOSFET. It doesn’t just charge your battery; it acts as a bodyguard, cutting off the power if the battery voltage drops too low or if there is a short circuit in your project.
Key Features
Dual Functionality: Charges the battery (TP4056) and protects the load (BMS) simultaneously.
Safe Discharge: Automatically cuts off the output if the battery voltage drops below 2.4V to prevent permanent cell damage.
Short Circuit Protection: Instant cut-off if a short is detected on the output side.
Status LEDs: Includes a Red LED (Charging) and a Blue/Green LED (Fully Charged) for easy monitoring.
Micro USB Interface: Power it using any standard smartphone charger or a 5V power supply.
Technical Specifications
| Feature | Specification |
| Input Voltage | 4.5V to 5.5V DC |
| Full Charge Voltage | 4.2V DC (± 1.5%) |
| Max Charging Current | 1.0 Amperes (Adjustable via Resistor) |
| Over-Discharge Protection | 2.4V Cut-off |
| Over-Current Protection | 3.0 Amperes |
| Input Interface | Micro USB + Solder Pads |
| Dimensions | 25mm x 19mm |
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